zaptel.conf
# Global data
span=1,1,0,esf,b8zs
bchan=1-23 # set this to 1-15,17-31 for E1
dchan=24 # set this to 16 for E1

#fxsks=1

loadzone        = us
defaultzone     = us

zapata.conf
;
; Zapata telephony interface
;
; Configuration file

[trunkgroups]

[channels]

language=en
context=from-pstn
;signalling=fxs_ks
signalling=pri_cpe ; pri_cpe = PRI slave ; pri_net = PRI master
switchtype=national

rxwink=300              ; Atlas seems to use long (250ms) winks
;
; Whether or not to do distinctive ring detection on FXO lines
;
;usedistinctiveringdetection=yes

usecallerid=yes
callerid=asreceived
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=yes
echotraining=400
rxgain=0.0
txgain=0.0
group=0
callgroup=1
pickupgroup=1
immediate=no

;faxdetect=both
faxdetect=incoming
;faxdetect=outgoing
;faxdetect=no

;Include AMP configs
#include zapata_additional.conf

;Include genzaptelconf configs
#include zapata-auto.conf
channel => 1-23 ; Set this to 1-15,17-31 for E1